package com.gavin.spring.demo.controller;

import com.gavin.spring.demo.model.UserInfo;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;

@RequestMapping("/request")
@RestController
public class RequestController {
    @RequestMapping("/r1")
    public String r1(String keyword){
        return "接收参数："+keyword;
    }
    @RequestMapping("r2")
    public String r2(String userNAme,String password){
        return "接收参数：userName:"+userNAme+",password:"+password;
    }
    @RequestMapping("r3")
    public String r3(Integer number){
        return "接收参数："+number;
    }
    @RequestMapping("r4")
    public String r4(int number){
        return "接收参数:"+number;
    }
    @RequestMapping("r5")
    public String r5(UserInfo userInfo){
        return "接收参数:"+userInfo.toString();
    }
    @RequestMapping("r6")
    public String r6(@RequestParam(value = "q",required = false) String keyword){
        return "接收参数：keyword="+keyword;
    }
    @RequestMapping("r7")
    public String r7(String []arr){
        return "接收参数：arr"+ Arrays.toString(arr);
    }
    @RequestMapping("r8")
    public String r8(@RequestParam List<Integer> list){
        return "接收参数：list"+list;
    }
    //传递json
    @RequestMapping("r9")
    public String r9(@RequestBody UserInfo userInfo){
        return userInfo.toString();
    }
    //从url中取值
    @RequestMapping("/article/{articleId}")
    public String r10(@PathVariable Integer articleId){
        return "获取文章ID"+articleId;
    }
    @RequestMapping("/article/{type}/{articleId}")
    public String r11(@PathVariable Integer articleId,@PathVariable String type){
        return "获取文章ID"+articleId+"type"+type;
    }
    //上传文件
    @RequestMapping("r12")
    public String r12(@RequestPart("file11") MultipartFile file) throws IOException {
        System.out.println(file.getOriginalFilename());
        file.transferTo(new File("E:\\"+file.getOriginalFilename()));
        return "文件获取成功";
    }
    @RequestMapping("/r13")
    public String r133(HttpServletRequest request){
        Cookie[] cookies=request.getCookies();
        if(cookies!=null){
            for(Cookie cookie:cookies){
                System.out.println(cookie.getName()+":"+cookie.getValue());
            }
        }
        return "返回Cookie成功";
    }
    @RequestMapping("/r14")
    public String r14(@CookieValue("java")String java){
        return "从Cookie中获取Java的值:"+java;
    }
    //存储session
    @RequestMapping("/setSession")
    public String setSession(HttpServletRequest request){
        //从cookie中获取sessionId,根据sessionId 获取Session
        HttpSession session = request.getSession();
        //默认存储在内存中
        session.setAttribute("userName","zhangsan");
        session.setAttribute("age",17);
        return "设置session成功";
    }
    //获取session
    @RequestMapping("/getSession")
    public String getSession(HttpServletRequest request){
        //从cookie中获取sessionId,根据sessionId 获取Session
        HttpSession session = request.getSession(false);
        //如果用户登入,session 有值，未登入, session未null
        if(session==null){
            return "用户未登入";
        }else {
            //从session中获取用户登入信息
            String userName = (String) session.getAttribute("userName");
            return "登入用户为："+userName;
        }
    }
    //获取session
    @RequestMapping("/getSession2")
    public String getSession2(HttpSession session){
            //从session中获取用户登入信息
            String userName = (String) session.getAttribute("userName");
            return "登入用户为："+userName;
    }
    //获取session
    @RequestMapping("/getSession3")
    public String getSession3(@SessionAttribute("userName")String userName){
            return "登入用户为："+userName;
    }
    @RequestMapping("/getHeader")
    public String getHeader(HttpServletRequest request){
        String userAgent = request.getHeader("User-Agent");
        return "从header中获取userAgent"+userAgent;
    }

    @RequestMapping("/getHeader2")
    public String GetHeader2(@RequestHeader("User-Agent")String userAgent) {
        return "从header中获取userAgent" + userAgent;
    }
}
